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EP0501782A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Pneumatic tyre

Assignee: Sumitomo Rubber Industries Ltd
•
Filing: 1992-02-26
•
Granted: —
•
Expires: 2012-02-26
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Abstract

Abstract A pneumatic tyre comprising a carcass (5) extending between beads (4), and a belt (6) disposed radially outside the carcass (5) and inside a tread (2) and having opposite axial edges, characterised in that the belt (6) comprises at least one continuous cord wound around the carcass (5) lying zigzag between the edges of the belt (6) to define oblique cord segments extending between the edges (F1,F2) of the belt (6), the cord segments including first oblique cord segments and second oblique cord segments, the first cord segments being laid substantially parallel to each other, and the second cord segments being laid substantially parallel to each other and crosswise to the first cord segments. <IMAGE>

Inventors

  • 👤 Tsutomu Iseki
  • 👤 Masayuki Sakamoto

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-28 15:54
CPC Classifications
B; B60; B60C; B60C9/00; B60C9/18; B60C9/26; B60C9/263

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 114 words
A pneumatic tyre comprising a carcass (5) extending between beads (4), and a belt (6) disposed radially outside the carcass (5) and inside a tread (2) and having opposite axial edges, characterised in that the belt (6) comprises at least one continuous cord wound around the carcass (5) lying zigzag between the edges of the belt (6) to define oblique cord segments extending between the edges (F1,F2) of the belt (6), the cord segments including first oblique cord segments and second oblique cord segments, the first cord segments being laid substantially parallel to each other, and the second cord segments being laid substantially parallel to each other and crosswise to the first cord segments.
Claim 2
Dependent Claim 34 words
A tyre according to claim 1, characterised in that between the adjacent oblique cord segments, said at least one belt cord (11) is smoothly bent axially of the tyre to form round bent portions.
Claim 3
Dependent Claim 47 words
A tyre according to claim 2, characterised in that between the adjacent oblique cord segments, said at least one belt cord is bent axially of the tyre so that a circumferential cord segment is formed in each of the bent portions between the adjacent oblique cord segments.
Claim 4
Dependent Claim 39 words
A tyre according to claim 2 or 3, characterised in that said belt (6) comprises a plurality of cords (11) laid zigzag between the edges of the belt and in parallel with each other all over the length thereof.
Claim 5
Dependent Claim 31 words
The tyre according to claim 2 or 3, characterised in that at each of the belt edges (F1,F2), the bent portions are alternately shifted in the axial direction of the tyre.

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